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1. WO2013057845 - UNIAXIALLY ORIENTED MULTI-LAYER LAMINATE FILM

Publication Number WO/2013/057845
Publication Date 25.04.2013
International Application No. PCT/JP2011/074736
International Filing Date 20.10.2011
IPC
G02B 5/30 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
30Polarising elements
B29C 55/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
55Shaping by stretching, e.g. drawing through a die; Apparatus therefor
02of plates or sheets
04uniaxial, e.g. oblique
08transverse to the direction of feed
B32B 27/30 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27Layered products essentially comprising synthetic resin
30comprising vinyl resin; comprising acrylic resin
B32B 27/36 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27Layered products essentially comprising synthetic resin
36comprising polyesters
C08G 63/189 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
63Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
02Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds
12derived from polycarboxylic acids and polyhydroxy compounds
16Dicarboxylic acids and dihydroxy compounds
18the acids or hydroxy compounds containing carbocyclic rings
181Acids containing aromatic rings
185containing two or more aromatic rings
187containing condensed aromatic rings
189containing a naphthalene ring
C08L 25/02 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
25Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
02Homopolymers or copolymers of hydrocarbons
CPC
B29C 55/023
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
55Shaping by stretching, e.g. drawing through a die; Apparatus therefor
02of plates or sheets
023using multilayered plates or sheets
B29C 55/04
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
55Shaping by stretching, e.g. drawing through a die; Apparatus therefor
02of plates or sheets
04uniaxial, e.g. oblique
B29K 2067/00
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR ; MOULDS, ; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
2067Use of polyesters ; or derivatives thereof; , as moulding material
B32B 2250/05
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2250Layers arrangement
055 or more layers
B32B 2250/244
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2250Layers arrangement
24All layers being polymeric
244All polymers belonging to those covered by group B32B27/36
B32B 2250/42
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2250Layers arrangement
42Alternating layers, e.g. ABAB(C), AABBAABB(C)
Applicants
  • 帝人デュポンフィルム株式会社 TEIJIN DUPONT FILMS JAPAN LIMITED [JP]/[JP] (AllExceptUS)
  • 大宅 太郎 OYA, Taro [JP]/[JP] (UsOnly)
  • 小野 光正 ONO, Mitsumasa [JP]/[JP] (UsOnly)
  • 吉田 哲男 YOSHIDA, Tetsuo [JP]/[JP] (UsOnly)
Inventors
  • 大宅 太郎 OYA, Taro
  • 小野 光正 ONO, Mitsumasa
  • 吉田 哲男 YOSHIDA, Tetsuo
Agents
  • 為山 太郎 TAMEYAMA, Taro
Priority Data
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) UNIAXIALLY ORIENTED MULTI-LAYER LAMINATE FILM
(FR) FILM STRATIFIÉ MULTICOUCHE UNIAXIALEMENT ORIENTÉ
(JA) 1軸延伸多層積層フィルム
Abstract
(EN) [Problem] To provide a uniaxially oriented multi-layer laminate film with a higher brightness in the forward direction than before and a uniaxially oriented multi-layer laminate film laminate body formed therefrom. [Solution] Provided is a uniaxially oriented multi-layer film of 251 or more layers in which a first layer and a second layer are alternately stacked. The first layer is formed from a layer having a polyester including 2, 6-naphtalene dicarboxylic acid as a configuration component, and the second layer has a thermoplastic resin as a configuration component, said thermoplastic resin having an average refractive index of 1.60-1.65, and a negative optical anisotropy or isotropy. The average reflective index for light which enters at zero degrees and 50 degrees for an S polarized light component is respectively 90% or more. The average reflective index for light which enters at zero degrees for a P polarized light is 15% or less, and the average reflective index which enters at 50 degrees for the P polarized light is 20% or more.
(FR) La présente invention vise à fournir un film stratifié multicouche uniaxialement orienté ayant une brillance dans la direction avant plus élevée qu'auparavant et un corps stratifié de film stratifié multicouche uniaxialement orienté formé à partir de celui-ci. A cet effet, la présente invention porte sur un film multicouche uniaxialement orienté de 251 couches ou plus dans lequel une première et une seconde couche sont empilées en alternance. La première couche est formée d'une couche ayant un polyester comprenant l'acide 2,6-naphtalène dicarboxylique en tant que composant de configuration et la seconde couche a une résine thermoplastique en tant que composant de configuration, ladite résine thermoplastique ayant un indice de réfraction moyen de 1,60-1,65 et une anisotropie ou isotropie optique négative. L'indice de réflexion moyen pour la lumière qui entre à zéro degré et 50 degrés pour une composante de lumière polarisée S est de respectivement 90 % ou plus. L'indice de réflexion moyen pour une lumière qui entre à zéro degré pour une lumière polarisée P est de 15 % ou moins et l'indice de réflexion moyen pour une lumière qui entre à 50 degrés pour la lumière polarisée P est de 20 % ou plus.
(JA) 【課題】従来よりもさらに正面方向の輝度の高い1軸延伸多層積層フィルムおよびそれからなる1軸延伸多層積層フィルム積層体を提供する。【解決手段】第1層と第2層とが交互に251層以上積層された1軸延伸多層フィルムであり、第1層は2,6-ナフタレンジカルボン酸成分を含むポリエステルを構成成分とする層からなり、第2層は熱可塑性樹脂を構成成分とする層であり、該熱可塑性樹脂は平均屈折率が1.60以上1.65以下であって、かつ負の光学異方性または等方性の樹脂であり、S偏光成分について入射角0度および50度での該入射偏光に対する平均反射率がそれぞれ90%以上であり、P偏光成分について入射角0度での該入射偏光に対する平均反射率が15%以下、入射角50度での該入射偏光に対する平均反射率が20%以上である1軸延伸多層積層フィルムにより達成される。
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